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levacccp [35]
3 years ago
7

Explain how the elimination of a predator from an ecosystem might result in starvation amongst its prey species.

Chemistry
1 answer:
hammer [34]3 years ago
6 0

If there weren't any predators, the population of prey would increase and they would starve due to too many mouths to feed.

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When water is dissolving the NaCl, the positive (hydrogen) side of the water molecule pulls off the ________________ ___________
Irina-Kira [14]

Answer:

A negative chlorine

Explanation:

B and D r wrong coz positive doesn't attract positive.

for C , sodium doesn't have a negative valency.

5 0
3 years ago
1. List two things that control the reaction rate for chemical reactions.
Leya [2.2K]
<span>Kinetics gives information on the reaction rate and reaction mechanism; the balanced chemical equation gives only the stoichiometry of the reaction.Reaction rates generally increase with increasing reactant concentration, increasing temperature, and the addition of a catalyst. Physical properties such as high solubility also increase reaction rates. Solvent polarity can either increase or decrease the reaction rate of a reaction, but increasing solvent viscosity generally decreases reaction rates.Increasing the temperature increases the average kinetic energy of molecules and ions, causing them to collide more frequently and with greater energy, which increases the reaction rate. First dissolve sugar in the hot tea, and then add the ice.</span>
8 0
4 years ago
When might a plot of ln[a] vs time not yield a straight line?
podryga [215]
Considering a reaction:
A → B
The rate equation may be described as:
r = -k[A]ⁿ
Taking the natural log,
ln(r) = -nln([A]) + ln(k)
Therefore, the only time the graph of ln[A] vs time will be a straight line is when the order of the reaction is 0, meaning the reaction is independent of reactant concentration.
6 0
4 years ago
When two or more substances combine, but each keeps it own properties,the new combination is called a (an)
Harman [31]

The new combination is called a mixture.

In mixtures, since the substances are not chemically combined together, they still remain their own physical and chemical properties, and can be separated by simple physical methods such as filtration or distillation.

On the other hand, if the two or more substances are combined where they get new properties, the new combination will be called a compound.  They cannot be separated by physical methods, but chemical methods such as heating or electrolysis.


7 0
3 years ago
What are the ways that citizens can follow in order to save water? i need 5 point min please
neonofarm [45]

Answer:

the ways that citizens can follow in order to save water are:

-If you wash dishes by hand, don't leave the water running for rinsing

-Check faucets and pipes for leaks

-Don't let the faucet run while you clean vegetables

-Use your automatic dishwasher for full loads only

-Take shorter showers

-Only run the washing machine and dishwasher when you have a full load.

5 0
3 years ago
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